531223 has 8 divisors (see below), whose sum is σ = 662400. Its totient is φ = 413880.

The previous prime is 531203. The next prime is 531229. The reversal of 531223 is 322135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531223 - 2⁹ = 530711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531197 and 531206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3373 + ... + 3526.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2⁵³¹²²³ is an apocalyptic number.

531223 is a deficient number, since it is larger than the sum of its proper divisors (131177).

531223 is a wasteful number, since it uses less digits than its factorization.

531223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917.

The product of its digits is 180, while the sum is 16.

The square root of 531223 is about 728.8504647731. The cubic root of 531223 is about 80.9889229378.

Adding to 531223 its reverse (322135), we get a palindrome (853358).

It can be divided in two parts, 5312 and 23, that added together give a palindrome (5335).

The spelling of 531223 in words is "five hundred thirty-one thousand, two hundred twenty-three".